# set terminal pngcairo  background "#ffffff" enhanced font "arial,10" fontscale 1.0 size 600, 400 
# set output 'fit.7.png'
set key bmargin center horizontal Right noreverse enhanced autotitles nobox
set title "fit weighted towards low temperatures" 
set xlabel "Temperature T  [deg Cels.]" 
set ylabel "Density [g/cm3]" 
l(x) = y0 + m*x
y0 = 1.07274734680909
m = -0.00100355638059091
GPFUN_l = "l(x) = y0 + m*x"
FIT_CONVERGED = 1
FIT_NDF = 35
FIT_STDFIT = 4.37033908192055e-05
FIT_WSSR = 6.68495229183675e-08
plot 'lcdemo.dat', l(x)
## fit l(x) 'lcdemo.dat' using 1:2:3 via y0, m